Term
| Arithemetric logic unit (ALU) |
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Definition
| Arithmetic & Logic Unit. The part of a computer's central processing unit which performs arithmetic operations on integers, and Boolean operations. Floating-point operations are handled by a separate floating-point unit. |
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| The flat board in a computer that holds integrated circuits and other electronic components. |
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| A control; unit in general is a central part of what so ever machinery that controls it's operation; provided that a piece of machinery is complex and organized enough to contain any such unit. |
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| Is a non-volatile storage encoded data on rapidly rotating rigid(I.e)hard) platters with magnetic surfaes. |
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| raw facts and figures that are processed into information, such as summaries and totals. |
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| A mobile device (also known as a handheld device, handheld computer or simply handheld) is a pocket-sized computing device, typically having a display screen with touch input and/or a miniature keyboard. In the case of the personal digital assistant (PDA) the input and output are often combined into a touch-screen interface. |
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| A battery or AC powered personal computer generally smaller that a transported and convenintly used in temporary spaces such as on airplanes, in libraries, temporary offices, and at meetings. |
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| Memory that can be read but not changed. |
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| The software or set of programs that tell a computer what to do. |
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| A wireless personal computer(PC) that allows a user to take notes using natural handwriting with stylus or digital pen on a screen. |
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Term
| central processing unit (CPU) |
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Definition
(CPU). The central processing unit controls the operation of a computer. Units within the CPU perform arithmetic and logical operations and decode and execute instructions. In microcomputers, the entire CPU is on a single chip.
The unit of a computer system that controls the interpretation and execution of instructions. |
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Term
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Definition
| An electronic device that has the ability to store, retrieve, and process data, and can be programmed with instructions that it remembers. The physical parts that make up a computer (the central processing unit, input, output, and memory) are called hardware. Programs that tell a computer what to do are called software. |
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Term
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Definition
| Information; raw facts. Data can be input into a computer and processed in various ways. For a computer to process data, it must be translated into a form the computer can handle. The smallest discrete element of data that a computer can understand is a bit, or "binary digit". The human brain also processes data fed to it by the sensory organs. |
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| The hardware is the physical part of a computer system; the machinery and equipment. Software means the programs that tell the computer what to do. |
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Term
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| Also called main memory. The working space used by the computer to hold the program that is currently running, along with the data it needs, and to run programs and process data. The main memory is built from RAM chips. The amount of memory available determines the size of programs that can be run, and whether more than one program can be run at once. Main memory is temporary, and is lost when the computer is turned off. It is distinguished from more permanent internal memory (ROM) which contains the computer's essential programs, and storage (the disks and tapes which are used to store data). |
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Term
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Definition
| The main circuit board inside a computer that everything in the computer plugs into and contains the central processing unit, the bus, memory sockets, expansion slots, and other components (the CPU, RAM and cache all plug into the motherboard). Additional boards, called daughter boards, can be plugged into the motherboard. |
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Term
| random access memory (RAM) |
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Definition
| Computer storage that resides on silicon chips; Chips that can store and retrieve data quickly; Code and data that changes while the computer is running. |
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| A system that provides network service such as disk storage and file transfer, or a program that provides such a service. A kind of daemon which performs a service for the requester, which often runs on a computer other than the one which the server runs. A single server machine could have several different server software packages running on it, thus providing many different servers to clients on the network. |
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Definition
| A very fast and powerful computer, outperforming most mainframes, and used for intensive calculation, scientific simulations, animated graphics, and other work that requires sophisticated and high-powered computing. Cray Research and Intel are well-known producers of supercomputers. |
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Definition
| a plug-and-play portable storage device that uses flash memory and is lightweight enough to attach to a key chain. |
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